WEBVTT 00:00.000 --> 00:04.560 As the opening date of the Brussels World's Fair nears, the elaborate 00:04.560 --> 00:09.300 pavilions of the 48 nations taking part are rushed to completion. America's 00:09.300 --> 00:12.960 building, the world's largest freestanding circular structure, will be 00:12.960 --> 00:17.040 an architectural landmark. Scores of international and commercial groups are 00:17.040 --> 00:21.320 also taking part in the rivalry for the attention of the 40 million visitors 00:21.320 --> 00:23.920 expected. 00:23.920 --> 00:31.260 One of the commercial exhibits is a vast diorama of the Belgian countryside, which 00:31.260 --> 00:35.320 will model a prophecy of progress in transportation. Under a complex 00:35.320 --> 00:39.800 electronic control system, a diorama will show the transformation from today 00:39.800 --> 00:43.520 into the world of the future. 00:43.520 --> 00:53.360 The Atomium, fitting symbol for the first World Fair of the Atomic Age.